제출 #969087

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
969087		TrendBattles	Gym Badges (NOI22_gymbadges)	C++14	0 / 100	115 ms	15744 KiB

Main

//https://oj.uz/problem/view/NOI22_gymbadges
#include <bits/stdc++.h>
using namespace std;
using lli = int64_t;

#define INFILE "NOI22_gymbadges.inp"
#define OUTFILE "NOI22_gymbadges.out"
int main() {
    ios::sync_with_stdio(0); cin.tie(0);
    if (fopen(INFILE, "r")) {
        freopen(INFILE, "r", stdin);
        freopen(OUTFILE, "w", stdout);
    }
    
    int N; cin >> N;
    vector <int> X(N), L(N);
    for (int& v : X) cin >> v;
    for (int& v : L) cin >> v;

    vector <int> order(N); iota(order.begin(), order.end(), 0);
    sort(order.begin(), order.end(), [&] (int u, int v) {
        return L[u] < L[v];
    });

    int max_participated = 0;
    priority_queue <int> heap; lli sum = 0;
    for (int i = 0; i < N; ++i) {
        while (sum > L[order[i]]) {
            sum -= heap.top();
            heap.pop();
        }

        heap.emplace(X[order[i]]);
        sum += X[order[i]];
        
        max_participated = max(max_participated, (int) heap.size());
    }

    cout << max_participated;
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int main()':
Main.cpp:11:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |         freopen(INFILE, "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~
Main.cpp:12:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |         freopen(OUTFILE, "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 15
• Subtask 2: 0 / 9
• Subtask 3: 0 / 27
• Subtask 4: 0 / 49